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Finding the Fourth Proportional to 502,638.33, 753,774.93 and 275,102.13

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Solution

The fourth proportional to 502,638.33, 753,774.93 and 275,102.13 is: 412,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,638.33 : 753,774.93 = 275,102.13 : x
  2. Step 2: Convert to fraction form
    502,638.33/753,774.93 = 275,102.13/x
  3. Step 3: Cross multiply
    502,638.33x = 753,774.93 × 275,102.13
  4. Step 4: Simplify right side
    502,638.33x = 207,365,088,783.60
  5. Step 5: Solve for x
    x = 207,365,088,783.60/502,638.33
  6. Step 6: Final answer
    x = 412,553.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.